Phthalocyanine Pigment Alpha Blue-15:1 also known as Pigment Blue-15:1 is one of the alpha modification of copper phthalocyanine pigment blue series. This heat stable alpha blue range of pigments have easy dispersing alpha crystals which forms red shade of phtalocyanine blue pigments. Praharit Pigments LLP has REACH registered product under this range of phthalocyanine pigment blue.